Specification Table Hardware Display No Video Output VGA Axis 3 Servo Protocol No D/A Output 2 MPG 1 Fast I 2 Input/Output Point Serial Communication I/O. Expandable with LNC serial communication I/O cards, max: 256 input points. Front USB No Rear USB No Control LED Tool Indicator No Control Path 1 HW Axis 3 Spindle 2 Front-backend Control No ReCON Yes